On 5/19/2010 2:22 PM, mike@xxxxxxxxxxxx wrote:
Yes, I use a lot of tools, ntop, if top, lot's of tops :). I also use ossim which is incredibly comprehensive but every tool has it's use. Sometimes, just watching the packets using wireshark helps plus, I just happen to be at that station so end up using it. No big deal but would have been nice if it had a monitor feature which doesn't capture, perhaps even has a little selectable delay setting so that things don't go by so quickly.
Mike
My suggestion/comment was based upon the notion that the bulk of the
resources responsible for ultimately grinding a system to a halt are
consumed not by the act of capturing, but by the act of analyzing a
given packet/set of packets to provide the "what's going on"
information (an action which i'm informally equating with the term
"decoding"). If this is in fact accurate, this would be the wrong tool
to implement in an attempt to provide insight without consuming
resources.
On Sun, 16 May 2010 21:55:46 -0400, Kevin Cullimore wrote:
On 5/16/2010 9:28 PM, mike@xxxxxxxxxxxx wrote:
Sometimes, I just want to get a quick view of what's going on so monitor
for a while but the logging is what seems to use up all of the system
resources after a while.
A different tool might provide you with a decent ongoing overview of
network activity. When customers are interested in this functionality, I
have them run NTOP, and instruct them to turn up a machine running
wireshark when they feel the need to drill down to byte/bit-level details.
On Sat, 15 May 2010 12:16:06 -0700, M Holt wrote:
Can you just use dumpcap with a ring buffer? Then stop the capture once
the event you are looking for is seen:
http://www.wireshark.org/docs/man-pages/dumpcap.html
On Sat, May 15, 2010 at 10:02 AM, mike@xxxxxxxxxxxx<mike@xxxxxxxxxxxx>
wrote:
Any way of monitoring only, without a capture, until I need to
capture?
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